Previous Article Next Article Table of Contents Chemical Physics Letters, Vol.589, 67-67, 2013 DOI10.1016/j.cplett.2013.10.044 Export Citation Historical perspective on: "Semiclassical trajectory approach to photoisomerisation" by A Warshel and M. Karplus [Chem. Phys. Lett. 32 (1) (1975) 11-17] Clary DC Please enable JavaScript to view the comments powered by Disqus.